9(x^2+3x-4)=

Simple and best practice solution for 9(x^2+3x-4)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 9(x^2+3x-4)= equation:


Simplifying
9(x2 + 3x + -4) = 0

Reorder the terms:
9(-4 + 3x + x2) = 0
(-4 * 9 + 3x * 9 + x2 * 9) = 0
(-36 + 27x + 9x2) = 0

Solving
-36 + 27x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(-4 + 3x + x2) = 0

Factor a trinomial.
9((-4 + -1x)(1 + -1x)) = 0

Ignore the factor 9.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-4, 1}

See similar equations:

| -4/3y-5/2=-8/5 | | 7x+6(-2x-2)=-183 | | n*n+n=90 | | 11a^2+9a-4=0 | | -7x+6(-2x-2)=-182 | | 26x-24=18 | | 5x^2=-14-8 | | 23-(26x)=18 | | -100x^2+500x+3000=0 | | 3(y-8)-6=-3(-8y+6)-6y | | =SIN((2*PI*F1)/128) | | 4x+16=-4(4-3x) | | -7y^2-19y-10=0 | | 26=(.5)(9.8)t^2 | | 1+3n+5n=-15 | | x-10(x+2)=13-7x | | X^2-16x+34=0 | | 3u-2v=-1 | | -4x-1+3=-6 | | 5(2g+2)=13(9g+9) | | 5(2g+2)=13(9g+9) | | 8(11h-5)=12(7h+5) | | -2x-3(x+4y)=15 | | 8r-19-10r+35= | | 8h+52=144 | | x+0.5625x=80 | | x+0.5625x=80findx | | 4+9x-3=8x+43-6x | | 3(10r+9)=3(7r+9) | | Xsquared=7y | | 3(5m+3)=3(4m+6) | | 9(7b-1)=3(4b-3) |

Equations solver categories